Protective undergarment



FIG. 1 is a frontal perspective view of a protective undergarment of my new design;

FIG. 2 is a front view of the protective undergarment of FIG. 1; and,

FIG. 3 is a rear view of the protective undergarment of FIG. 1. 

CLAIM The ornamental design for a protective undergarment, as shown and described. 